Re: two black lines one inch from each other at bottom of...
Common to have deris on the charge corona that is located inside the drum unit. If you take the toner out and remove the one blue screw, the developer unit will pull out (be careful not to spill as the top is open on the developer unit). Make sure the right side door is open and then you can pull the drum unit out.
Check first if there is the line of toner still on the drum where it would match the lines on the paper. If so.... the drum cleaning blade is the culprit. If not, then you would need to remove two screws that hold the main charge unit in place and remove and clean it very thouroughly with canned air. Even small lint or hair can cause fuzzy looking lines.
The maintenance cycle on the developer and drums it 75,000. If you are in that range, it is ready for a PM anyway and the drum cartridge should be completely rebuilt with new parts.
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This sounds as if you have some ink/contamination on the small scaning glass that sits to either the left or right of the main glass on the copier.(Depending on the model/make)As your original is scanned over this thin piece of glass the scanning device will see any spots and this will result in a black line down the page.Please clean the glass with a soft rag.
You have something on your "**** glass", the narrow piece of glass that the scanner "looks" through during adf use. Get some window cleaner or rubbing alcohol and clean it with a damp cloth. Often, it's correction fluid (Liquid Paper). A little dot is all it takes because the paper is traveling across the dot, effectively drawing a line down the length of the page.
(Please rate this response as I'm trying to obtain the next level.)
Do the lines appear when you place a blank piece of paper on the glass and make a copy??If not then you need to thoroughly clean the **** glass, that is the separate narrow glass to the left of the machine when the top is up.Even a tiny dot of dust will appear as a vertival line on the copy.
if the drum already been scratched out,so there is no solution to repair it,u have to change the drum.before change the drum check the copier glass surface if any dry up material,wipe it with dry cloth.
If you lift up the lid on your scanning device you will notice a glass strip about 1 inch thick and then the large area of glass used for flatbed scanning. The 1 inch strip is used for ADF scanning. Because your papper is moving across the glass strip, any dot, smudge or scratch will affect your scanning and cause verticial lines down the page. Sometimes the dot is not visible to the eye. Get some glass cleaner that has alcohol in it and thoroughly clean the glass strip and it should solve your problem. If it turns out to be a scratch on the glass then cleaning won't help.
It is not the cartridge, it is the scanner. Have you cleaned the glass surface thoroughly?
If you have already cleaned the glass, then the scanner itself is the culprit. It is not a user serviceable part, in that the mechanism is very sensitive. Often when people move 'all-in-one' devices the scanner does not work afterward. For this reason, you would need to take it in to have it fixed. However for what the machine costs, you are likely far better off to simply purchase a new machine. They are only about $75 to $100 new, and most service people charge $75 for a diagnostic fee. That means you would only know what was wrong, but not have it fixed for almost what it would cost to buy a new one.
There must be a strip of glass about one inch wide, next to
the large glass. There is the problem !
Clean that strip thourougly. When you use the feeder the pages
are scanned thru the small strip of glass.
In the old days you would have to change the paper in the tray too...
I've been looking online for the glass, and can't locate it. They will charge you a bundle for a piece of glass anyway (I know Konica charges about $50 one).
As to the question of a sensor. If there's no wire on it, there's no sensor. Some manufacturers use a "coating" that goes to a ground wire for anti-static, etc. Most likely, yours doesn't require this.
Also, to prolong the life of the new glass (now don't tell ALL of my secrets) use armor-all, car wax, even pledge (the wood stuff) on a rag and buff the glass. Just a dab will do.